./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:24:46,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:24:46,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 19:24:46,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:24:46,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 19:24:46,338 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:24:46,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 19:24:46,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 19:24:46,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:24:46,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:24:46,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:24:46,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 19:24:46,342 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:24:46,342 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:24:46,343 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:24:46,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:24:46,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 19:24:46,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 19:24:46,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 19:24:46,345 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:24:46,345 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:24:46,346 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:24:46,346 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:24:46,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 19:24:46,347 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 19:24:46,347 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 19:24:46,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:24:46,348 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:46,349 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:24:46,349 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 19:24:46,349 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 19:24:46,350 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 19:24:46,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 19:24:46,351 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fb47f955ea6ba1edf33456e69e9d22d4cc1ecd78cb5e200db0c0a5026f9dd33 [2024-11-08 19:24:46,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:24:46,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:24:46,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:24:46,732 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:24:46,733 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:24:46,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-rers2012/Problem10_label05.c Unable to find full path for "g++" [2024-11-08 19:24:48,884 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:24:49,194 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:24:49,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/sv-benchmarks/c/eca-rers2012/Problem10_label05.c [2024-11-08 19:24:49,209 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/data/f094bb008/1b6989cd57384741888925310607331a/FLAG4928a12bb [2024-11-08 19:24:49,478 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/data/f094bb008/1b6989cd57384741888925310607331a [2024-11-08 19:24:49,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:24:49,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:24:49,484 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:49,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:24:49,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:24:49,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:49" (1/1) ... [2024-11-08 19:24:49,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7cf9dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:49, skipping insertion in model container [2024-11-08 19:24:49,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:24:49" (1/1) ... [2024-11-08 19:24:49,566 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:24:49,909 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2024-11-08 19:24:50,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:50,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:24:50,194 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/sv-benchmarks/c/eca-rers2012/Problem10_label05.c[5981,5994] [2024-11-08 19:24:50,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:24:50,322 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:24:50,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50 WrapperNode [2024-11-08 19:24:50,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:24:50,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:50,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:24:50,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:24:50,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,491 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-08 19:24:50,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:24:50,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:24:50,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:24:50,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:24:50,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,512 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:24:50,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:24:50,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:24:50,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:24:50,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:24:50" (1/1) ... [2024-11-08 19:24:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 19:24:50,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 19:24:50,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 19:24:50,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 19:24:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:24:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 19:24:50,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:24:50,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:24:50,759 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:24:50,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:24:52,080 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-08 19:24:52,081 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:24:55,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:24:55,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 19:24:55,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55 BoogieIcfgContainer [2024-11-08 19:24:55,558 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:24:55,560 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 19:24:55,560 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 19:24:55,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 19:24:55,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (1/1) ... [2024-11-08 19:24:55,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:24:55,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:55,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-08 19:24:55,659 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-08 19:24:55,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-08 19:24:55,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:55,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:24:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:24:56,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:24:56,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-08 19:24:56,216 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-08 19:24:56,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 19:24:56,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:24:56,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:24:56,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:12,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-08 19:25:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-08 19:25:13,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:25:13,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:13,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:35,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-08 19:25:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-08 19:25:36,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 19:25:36,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:36,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:25:57,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:25:58,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:25:58,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 51 transitions. [2024-11-08 19:25:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 51 transitions. [2024-11-08 19:25:58,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:25:58,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:25:58,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:25:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:09,699 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:26:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 69 transitions. [2024-11-08 19:26:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 69 transitions. [2024-11-08 19:26:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 19:26:11,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:11,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:26:24,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:24,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 72 transitions. [2024-11-08 19:26:24,584 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 72 transitions. [2024-11-08 19:26:24,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:26:24,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:24,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:42,591 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 19:26:43,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:43,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 45 states and 77 transitions. [2024-11-08 19:26:43,600 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 77 transitions. [2024-11-08 19:26:43,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:26:43,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:43,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:26:58,709 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 19:26:59,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:26:59,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 47 states and 80 transitions. [2024-11-08 19:26:59,167 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 80 transitions. [2024-11-08 19:26:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 19:26:59,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 19:26:59,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:26:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:27:12,928 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-08 19:27:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 19:27:13,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-08 19:27:13,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-08 19:27:13,245 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 19:27:13,246 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2024-11-08 19:27:13,254 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-08 19:27:13,959 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< ~a19~0 6) .cse0 .cse1) (and (<= 7 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 1)) .cse0 .cse1) (and .cse0 .cse1 (or (< 218 ~a1~0) (< ~a1~0 37))))) [2024-11-08 19:27:13,960 INFO L77 FloydHoareUtils]: At program point L169-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 218 ~a1~0) (not (= ~a10~0 1)) (< ~a1~0 39))) [2024-11-08 19:27:13,960 INFO L75 FloydHoareUtils]: For program point L170(line 170) no Hoare annotation was computed. [2024-11-08 19:27:13,960 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-08 19:27:13,960 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-08 19:27:13,960 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-08 19:27:13,960 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (< ~a19~0 6) .cse0 .cse1) (and (<= 7 ~a19~0) .cse0 .cse1) (and (not (= ~a10~0 1)) .cse0 .cse1) (and .cse0 .cse1 (or (< 218 ~a1~0) (< ~a1~0 37))))) [2024-11-08 19:27:13,961 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 170) no Hoare annotation was computed. [2024-11-08 19:27:13,961 INFO L77 FloydHoareUtils]: At program point L166-1(lines 30 584) the Hoare annotation is: (let ((.cse1 (= 14 ~a4~0)) (.cse2 (= ~a12~0 0))) (or (let ((.cse0 (not (= ~a19~0 6)))) (and (or .cse0 (<= 0 (+ ~a1~0 12))) (or .cse0 (< ~a1~0 39)) .cse1 .cse2)) (and (not (= ~a10~0 1)) .cse1 .cse2) (and .cse1 .cse2 (< 518103 ~a1~0)))) [2024-11-08 19:27:13,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 07:27:13 ImpRootNode [2024-11-08 19:27:13,982 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 19:27:13,982 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:27:13,982 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:27:13,983 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:27:13,983 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:24:55" (3/4) ... [2024-11-08 19:27:13,986 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 19:27:14,014 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-08 19:27:14,015 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 19:27:14,016 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 19:27:14,018 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 19:27:14,198 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 19:27:14,199 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/witness.yml [2024-11-08 19:27:14,199 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:27:14,200 INFO L158 Benchmark]: Toolchain (without parser) took 144717.07ms. Allocated memory was 155.2MB in the beginning and 2.2GB in the end (delta: 2.1GB). Free memory was 117.5MB in the beginning and 877.1MB in the end (delta: -759.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2024-11-08 19:27:14,201 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:27:14,201 INFO L158 Benchmark]: CACSL2BoogieTranslator took 839.59ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 87.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-11-08 19:27:14,202 INFO L158 Benchmark]: Boogie Procedure Inliner took 166.95ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 119.3MB in the end (delta: -32.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-08 19:27:14,202 INFO L158 Benchmark]: Boogie Preprocessor took 77.81ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 114.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:27:14,202 INFO L158 Benchmark]: RCFGBuilder took 4986.82ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 113.5MB in the beginning and 75.8MB in the end (delta: 37.7MB). Peak memory consumption was 146.2MB. Max. memory is 16.1GB. [2024-11-08 19:27:14,203 INFO L158 Benchmark]: CodeCheck took 138422.10ms. Allocated memory was 224.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 75.8MB in the beginning and 889.7MB in the end (delta: -813.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-08 19:27:14,203 INFO L158 Benchmark]: Witness Printer took 217.11ms. Allocated memory is still 2.2GB. Free memory was 889.7MB in the beginning and 877.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 19:27:14,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 137.6s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 449 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 378 mSDsluCounter, 447 SdHoareTripleChecker+Invalid, 7.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 274 mSDsCounter, 194 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 194 mSolverCounterUnsat, 173 mSDtfsCounter, 996 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1336 GetRequests, 1161 SyntacticMatches, 75 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4687 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 129.9s InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 1496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 84/173 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 170]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 592]: Loop Invariant Derived loop invariant: ((((((a19 < 6) && (14 == a4)) && (a12 == 0)) || (((7 <= a19) && (14 == a4)) && (a12 == 0))) || (((a10 != 1) && (14 == a4)) && (a12 == 0))) || (((14 == a4) && (a12 == 0)) && ((218 < a1) || (a1 < 37)))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && ((((a19 != 6) || (218 < a1)) || (a10 != 1)) || (a1 < 39))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory was 77.8MB in the beginning and 77.8MB in the end (delta: 28.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 839.59ms. Allocated memory is still 155.2MB. Free memory was 117.1MB in the beginning and 87.3MB in the end (delta: 29.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 166.95ms. Allocated memory is still 155.2MB. Free memory was 87.3MB in the beginning and 119.3MB in the end (delta: -32.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.81ms. Allocated memory is still 155.2MB. Free memory was 119.3MB in the beginning and 114.3MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 4986.82ms. Allocated memory was 155.2MB in the beginning and 224.4MB in the end (delta: 69.2MB). Free memory was 113.5MB in the beginning and 75.8MB in the end (delta: 37.7MB). Peak memory consumption was 146.2MB. Max. memory is 16.1GB. * CodeCheck took 138422.10ms. Allocated memory was 224.4MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 75.8MB in the beginning and 889.7MB in the end (delta: -813.9MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. * Witness Printer took 217.11ms. Allocated memory is still 2.2GB. Free memory was 889.7MB in the beginning and 877.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-08 19:27:14,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7bfa25fd-010a-4f11-b97f-d4708718fa0d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE